Finding the Third Proportional to 8,382,089 and 12,813,708

Step by Step Solution

1. Step 1: Write the proportion equation
   8,382,089 : 12,813,708 = 12,813,708 : x
2. Step 2: Convert to fraction form
   8,382,089/12,813,708 = 12,813,708/x
3. Step 3: Cross multiply
   8,382,089x = 12,813,708 × 12,813,708
4. Step 4: Simplify right side
   8,382,089x = 164,191,112,709,264
5. Step 5: Solve for x
   x = 164,191,112,709,264/8,382,089
6. Step 6: Final answer
   x = 19,588,328.48